Twin brothers Frank and Karl live with Uncle Charles when their parents are away. They go to school and meet Mike and Sally.
They meet Sally, Norton and Mike and tell them all about R.C. Racing, but Karl tells that R.C. Racing is just babies games. Then after school, the guys go to the Race Tin club, and Mike races the duo. Karl fumbles with the controller buttons and Frank copies Mike and comes into second. After the race, Sally and his father arrive. They get to the car shop and analyze some cars. Mike tells them what R.C. Racing cars are like. He explains his car as an example, and he tells that the higher the level, the car will have to be modified with spoilers and new body kits.
Frank and Karl Race Marco and later on Sword, continuing to race Tommy and Norton, onwards against Ocean, and they race Sword again in the finals.
Meet Ocean, a young woman living with her grandpa. Ocean begins to discover her past, the special powers she's been blessed with, and the evil she must fight on the high seas!
The series takes place on a fantastical world where crystals can provide great strength. Their value has led to to the rise of a unique profession: crystal hunting.
In 2069, the super-intelligent computer zombie king used synthetic body zombie puppets to control the world, and was resisted by humans. In order to rule the world and manage mankind, the super-intelligent computer dispatched infinite monsters, robots, and other zombie puppets back to 2016 to collect humanity’s Perceive the information code and provide it to the super-intelligent computer. In 2016, people who were deprived of their perceptual information codes became emotionless, like walking dead, and human society was brutally burned. The victim Su Xiaoxiao lost her memory and wandered in the city. Nangong Shinichi, who is full of enthusiasm and believes that as long as he works hard, he will succeed in taking in Su Xiaoxiao and is determined to help Su Xiaoxiao retrieve his memory. In the process of searching for their memories, they were constantly attacked by dead puppets.